.login-big{
    background: url('./imgs/bg.jpg') ;
    background-size: cover;
    position: fixed;
    /* text-align: center; */
    /* margin: 0 auto; */
}
.title1 {
    font-size: 25px;
    font-family: '幼圆';
    font-weight: bold;
    margin-left: 43%;
}
.login{
    width: 300px;
    height: 200px;
    border: 1px solid #4c6e7d;
    opacity: 0.8;
    background-color: #57666b;
    margin-top: 80px;
    /* top: 200px; */
    margin-left: 38%;
}
.loginBtn{
    width: 90px;
    height: 30px;
    margin-left: 35%;
}

